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-rw-r--r--compat/winansi.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/compat/winansi.c b/compat/winansi.c
index 54fd701cbf..c27b20a79d 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -662,10 +662,20 @@ void winansi_init(void)
*/
HANDLE winansi_get_osfhandle(int fd)
{
+ HANDLE ret;
+
if (fd == 1 && (fd_is_interactive[1] & FD_SWAPPED))
return hconsole1;
if (fd == 2 && (fd_is_interactive[2] & FD_SWAPPED))
return hconsole2;
- return (HANDLE)_get_osfhandle(fd);
+ ret = (HANDLE)_get_osfhandle(fd);
+
+ /*
+ * There are obviously circumstances under which _get_osfhandle()
+ * returns (HANDLE)-2. This is not documented anywhere, but that is so
+ * clearly an invalid handle value that we can just work around this
+ * and return the correct value for invalid handles.
+ */
+ return ret == (HANDLE)-2 ? INVALID_HANDLE_VALUE : ret;
}